SIST EN 301 171 V1.1.1:2003

• Abstract:

  To provide a video compression algorithm for very low bit rate video c oding to be applied for videotelephony, mobile videotelephony, and vid eoconferencing.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.160.40 - Video systems
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 301 171 V1.1.1 (1998-07) - Video coding for low bit rate communication [ITU-T Recommendation H.263 (1996)]

SIST EN 301 171 V1.1.1:2003 is the Slovenian standard identical to ETSI EN 301 171 V1.1.1, a European Telecommunications Standard for video coding at low bit rates. It endorses ITU-T Recommendation H.263 (1996) for compressing the moving-picture component of audiovisual services, especially for videotelephony, mobile videotelephony, and videoconferencing.

What does SIST EN 301 171 V1.1.1:2003 specify?

SIST EN 301 171 V1.1.1:2003 specifies a very low bit rate video compression algorithm by adopting ITU-T Recommendation H.263 (1996). In practice, this means the standard is used as the ETSI/Slovenian publication of the video coding profile rather than as a separate technical rewrite.

The document is organized as front matter, a foreword, an introduction, an endorsement notice, and a document history. The introduction states that the coded representation is intended for the moving picture component of audiovisual services at low bit rates.

What are the key requirements of SIST EN 301 171 V1.1.1:2003?

The technical substance of SIST EN 301 171 V1.1.1:2003 is the endorsement of ITU-T Recommendation H.263 (1996) without modification. For implementers, that means conformance is tied to the referenced H.263 coding specification.

• Use H.263 as approved by ETSI. The endorsement notice says the ITU-T text was approved as an EN without modification. In practice, vendors should implement the H.263 codec as the governing technical basis.
• Target low and very low bit rate video. The scope and introduction both focus on compression for low bit rates. This matters when bandwidth is limited and coding efficiency is a design priority.
• Apply it to videotelephony. The scope names videotelephony as a primary use. This is the relevant service case for point-to-point audio-visual calls.
• Apply it to mobile videotelephony. The scope also includes mobile videotelephony. That tells integrators the standard is relevant in mobile network environments where bit rate constraints are tighter.
• Apply it to videoconferencing. The scope includes videoconferencing, so the standard is also relevant for conference systems and multi-user video services.
• Treat the moving picture component as the object of compression. The introduction describes coded representation for the moving picture part of audiovisual services. In practice, this separates the video coding role from the audio part of the service.
• Check declared IPRs before implementation. The foreword and IPR notice point readers to ETSI SR 000 314 for declared essential or potentially essential IPRs. For buyers and implementers, that is a licensing and due-diligence step.
• Use the document as a transposed European standard. The foreword records national transposition dates, showing that this is the ETSI/EN adoption path for the standard. That helps organizations track which published standard they are aligning to.

What terms does SIST EN 301 171 V1.1.1:2003 define?

SIST EN 301 171 V1.1.1:2003 uses a small set of recurring technical terms and abbreviations that are important for understanding the document.

• ETSI - European Telecommunications Standards Institute, the standards body that produced EN 301 171.
• ITU-T Recommendation H.263 (1996) - the video coding recommendation endorsed by this standard.
• IPRs - intellectual property rights; the document warns that essential or potentially essential IPRs may have been declared.
• Videotelephony - two-way video communication used for calls with moving pictures.
• Mobile videotelephony - videotelephony carried over mobile communications systems.
• Videoconferencing - video communication used for conference-style meetings.
• ATM - asynchronous transfer mode, listed among the document keywords.
• B-ISDN - broadband integrated services digital network, also listed among the keywords.

Who uses SIST EN 301 171 V1.1.1:2003?

SIST EN 301 171 V1.1.1:2003 is used by telecom equipment designers, video codec implementers, network engineers, and service providers working with low bit rate video services. It is also relevant to quality managers and buyers who need to confirm that a product, platform, or service is aligned with the H.263-based ETSI standard.

The document is particularly relevant where video must work within constrained bandwidth, such as videotelephony, mobile videotelephony, and videoconferencing. The ATM and B-ISDN keywords also point to telecom network contexts where video coding had to fit transport and service architecture choices.

Which standards are used with SIST EN 301 171 V1.1.1:2003?

The only companion technical standard named in the document is ITU-T Recommendation H.263 (1996). SIST EN 301 171 V1.1.1:2003 endorses that recommendation as the video coding specification to use.

What does the SIST EN 301 171 V1.1.1:2003 document contain?

SIST EN 301 171 V1.1.1:2003 contains the copyright and reproduction notice, the ETSI intellectual property notice, the foreword with transposition dates, and a short introduction explaining the service context. It also contains the endorsement notice stating that ITU-T Recommendation H.263 (1996) was approved as an EN without modification.

The document history records the one-step approval procedure and publication history. Overall, the publication functions as the formal European and Slovenian adoption of the H.263 video coding recommendation for low bit rate communication.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Video coding for low bit rate communication [ITU-T Recommendation H.263 (1996)]33.160.40Video sistemiVideo systemsICS:Ta slovenski standard je istoveten z:EN 301 171 Version 1.1.1SIST EN 301 171 V1.1.1:2003en01-december-2003SIST EN 301 171 V1.1.1:2003SLOVENSKI
STANDARD
EN 301 171 V1.1.1 (1998-07)European Standard (Telecommunications series)Video coding for low bit rate communication[ITU-T Recommendation H.263 (1996)]SIST EN 301 171 V1.1.1:2003

ETSIEN 301 171 V1.1.1 (1998-07)2ReferenceDEN/NA-051111 (auc00ico.PDF)KeywordsATM, B-ISDN, video, codingETSIPostal addressF-06921 Sophia Antipolis Cedex - FRANCEOffice address650 Route des Lucioles - Sophia AntipolisValbonne - FRANCETel.: [phone]
Fax: [phone]Siret N° 348 623 562 00017 - NAF 742 CAssociation à but non lucratif enregistrée à laSous-Préfecture de Grasse (06) N° 7803/[e-mail]://www.etsi.frhttp://www.etsi.orgCopyright NotificationNo part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1998.All rights reserved.SIST EN 301 171 V1.1.1:2003

ETSIEN 301 171 V1.1.1 (1998-07)3Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be foun
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